| 单词 | lifespan |
| 释义 | lifespan /laɪfspæn/ noun [countable] the length of time that sth will last, will be useful, or will be wanted 寿命；预期使用期限◆the product has a 10-year lifespan. 这产品有 10 年的寿命。◆the lifespan of the software 软件的使用寿命☞ lifespanlifespan/ˈlaɪfspæn ||; ˈlaɪfˌspæn/noun [c] the length of time that sth is likely to live, work, last, etc 寿命: ◇a mosquito has a lifespan of only a few days. 蚊子的寿命只有几天。 lifespansee ⇨ life 1 |
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